<script>

    // arr.push
    // arr.pop

    class Array{
        constructor(){
            // this.length
        }

        push(){
            console.log("push");
        }
        pop(){
            console.log("pop");
        }

        static from(){}
    }


    let arr=new Array()
    // console.log(arr);
    console.log(arr.push);

    // Array.from() 


    
    function  fun(a,b){
        console.log(a);
        console.log(b);
    }

    fun(1,2)
    fun(3,4)


</script>